Home / 71,545.27-107,320.19-35,987.18

Finding the Fourth Proportional to 71,545.27, 107,320.19 and 35,987.18

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Solution

The fourth proportional to 71,545.27, 107,320.19 and 35,987.18 is: 53,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.27 : 107,320.19 = 35,987.18 : x
  2. Step 2: Convert to fraction form
    71,545.27/107,320.19 = 35,987.18/x
  3. Step 3: Cross multiply
    71,545.27x = 107,320.19 × 35,987.18
  4. Step 4: Simplify right side
    71,545.27x = 3,862,150,995.16
  5. Step 5: Solve for x
    x = 3,862,150,995.16/71,545.27
  6. Step 6: Final answer
    x = 53,981.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.